Worst Performing Industries For January 27, 2015 By: Benzinga via Benzinga January 27, 2015 at 11:33 AM EST The Dow dropped 1.92% to 17,339.33, while the NASDAQ composite index fell 1.75% to 4,688.30. The broader Standard & Poor's 500 index ... Read More >> Related Stocks: Caterpillar Hewlett-Packard Microsoft Plantronics